Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. John Trevor Griswold, DC

Individual provider Chiropractor · NPI 1720706062

Dr. John Trevor Griswold, DC is a Chiropractic in Jackson, Michigan. Graduated from Palmer College Chiropractic - Davenport in 2022, 4 years ago. Accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
4
Trained at
Palmer College Chiropractic - Davenport
Licensed in
MI
In the registry since
2022
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

2522 Lansing Ave
Jackson, MI 49202-1647
Phone: (517) 879-2055
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 2301401284 (MI)

Record details

NPI number1720706062
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedAugust 22, 2022
Last updated in NPPESNovember 12, 2024
Certification dateNovember 12, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCHIROPRACTIC
Medical schoolPALMER COLLEGE CHIROPRACTIC - DAVENPORT
Graduated 2022 (4 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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